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Date: Sat, 25 Apr 2015 21:52:18 +0300
From: Solar Designer <>
Subject: Re: [GSoC] John the Ripper support for PHC finalists

On Sat, Apr 25, 2015 at 08:41:54PM +0200, Agnieszka Bielec wrote:
> on well with AVX2 I receive results:
> a@...l:~/jtr2/run$ ./john --test --format=pomelo --cost=0:0,0:0
> Will run 8 OpenMP threads
> Benchmarking: POMELO, Generic pomelo [AVX2]... (8xOMP) DONE
> Speed for cost 1 (N) of 0, cost 2 (r) of 0
> Many salts:     1704K c/s real, 213274 c/s virtual
> Only one salt:  1055K c/s real, 132053 c/s virtual
> the difference is biggest for 0,0 costs also for 2,0 and 0,2 is a
> difference of 24% and 17%
> at this moment I don't know why this happens

This suggests a bug in the benchmark.  Where do the salts for the "many
salts" benchmark come from?

set_key() in pomelo_fmt_plug.c doesn't look like it'd be that slow.

Please investigate.


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